(synopsis is provisional, until the root case is found)

=== Output from failing command(s) repeated here ===
* For target jdk__optimize_image_exec:
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/compiledIC.cpp:760
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/home/shade/jdk-jdk/src/hotspot/share/code/compiledIC.cpp:760), pid=25666, tid=25671
# assert(destination == (address)-1 || destination == entry) failed: b) MT-unsafe modification of inline cache
#
# JRE version: OpenJDK Runtime Environment (14.0) (fastdebug build 14-internal+0-adhoc.shade.jdk-jdk)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 14-internal+0-adhoc.shade.jdk-jdk, mixed mode, tiered, compressed oops, serial gc, linux-aarch64)
# Problematic frame:
# V [libjvm.so+0x7c7b04] CompiledDirectStaticCall::verify_mt_safe(methodHandle const&, unsigned char*, NativeMovConstReg*, NativeJump*)+0x88
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/libexec/abrt-hook-ccpp %s %c %p %u %g %t e %P %I %h" (or dumping to /home/shade/jdk-jdk/make/core.25666)
#
   ... (rest of output omitted)

* All command lines available in /home/shade/jdk-jdk/build/linux-aarch64-server-fastdebug/make-support/failure-logs.